HDU 3584 三维树状数组

时间:2023-09-11 09:21:26

三维树状数组模版。优化不动了。

#include <set>
#include <map>
#include <stack>
#include <cmath>
#include <queue>
#include <cstdio>
#include <string>
#include <vector>
#include <iomanip>
#include <cstring>
#include <iostream>
#include <algorithm>
#define Max 2505
#define FI first
#define SE second
#define ll long long
#define PI acos(-1.0)
#define inf 0x3fffffff
#define LL(x) ( x << 1 )
#define bug puts("here")
#define PII pair<int,int>
#define RR(x) ( x << 1 | 1 )
#define mp(a,b) make_pair(a,b)
#define mem(a,b) memset(a,b,sizeof(a))
#define REP(i,s,t) for( int i = ( s ) ; i <= ( t ) ; ++ i ) using namespace std; int n , m ;
int c[101][101][101] ;
inline void RD(int &ret) {
char c;
do {
c = getchar();
} while(c < '0' || c > '9') ;
ret = c - '0';
while((c=getchar()) >= '0' && c <= '9')
ret = ret * 10 + ( c - '0' );
} inline void OT(int a) {
if(a >= 10)OT(a / 10) ;
putchar(a % 10 + '0') ;
}
void update(int x , int y ,int z) {
for (int i = x ; i <= n ; i += i & (-i) )
for (int j = y ; j <= n ; j += j & (-j))
for (int k = z ; k <= n ; k += k & (-k))
c[i][j][k] ++ ;
}
bool query(int x ,int y,int z) {
int ans = 0 ;
for (int i = x ; i >= 1 ; i -= i & (-i))
for (int j = y ; j >=1 ; j -= j & (-j))
for (int k = z ; k >= 1 ; k -= k & (-k))
ans += c[i][j][k] ;
return ans & 1 ;
}
void init() {
for (int i = 0 ; i <= n ; i ++ )
for (int j = 0 ; j <= n ; j ++ )
for (int k = 0 ; k <= n ; k ++ )
c[i][j][k] = 0 ;
}
int main() {
int x , y , z ;
int xx , yy , zz ;
int op ;
while(scanf("%d%d",&n,&m) == 2) { while(m -- ) {
RD(op) ;
if(op & 1) {
RD(x) ;RD(y) ;RD(z) ;
RD(xx) ;RD(yy) ;RD(zz) ;
update(x , y , z ) ;
update(xx + 1 , y , z ) ;
update(xx + 1 , yy + 1 , z ) ;
update(xx + 1 , yy + 1 , zz + 1 ) ;
update(xx + 1 , y , zz + 1 ) ;
update(x , y , zz + 1 ) ;
update(x , yy + 1 , zz + 1 ) ;
update(x , yy + 1 , z ) ;
} else {
RD(x) ;RD(y) ;RD(z) ;
OT(query(x , y , z)) ;
putchar('\n') ;
}
}
init() ;
}
return 0 ;
}